<html>
    <button onclick="location.reload();">刷新</button>
</html>
<br>
<?php
include("../conn.php");

$retval = $conn->query( "SELECT * FROM tj" );

echo "完成填写人数: ".$retval->num_rows."<br>";
echo "<br>";

$language =  mysqli_fetch_all($retval);

 foreach ($language as $key => $value) { 
    $a = $value['1']." ".$value['2']."岁<br>";
    echo  $a;
  } 
  

$conn->close();

?>